Qafzeh cave dating

· 11-Feb-2018 00:25

Rather, they interbred to a limited degree with late archaic .

found that the human betaglobin gene is widely distributed in Asia but not in Africa.If this interpretation of the fossil record is correct, all people today share a relatively modern African ancestry.All other lines of humans that had descended from Homo erectus presumably became extinct.The rate of inheritable mutations for a species or a population can vary due to a number of factors including generation time, the efficiency of DNA repair within cells, ambient temperature, and varying amounts of natural environmental mutagens.In addition, some kinds of DNA molecules are known to be more subject to mutation than others, resulting in faster mutation rates.